4 times what equals 36

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

How many and of which kind of roots does the equation f(x)=x3−x2−x+1